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All results from a given calculation for CH3CHN (methylmethaniminyl radical)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-133.051994
Energy at 298.15K-133.055983
HF Energy-132.521282
Nuclear repulsion energy65.008029
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3217 3054 3.40      
2 A' 3112 2955 4.43      
3 A' 3070 2914 13.20      
4 A' 2155 2046 105.55      
5 A' 1504 1428 13.86      
6 A' 1406 1335 5.47      
7 A' 1285 1220 4.52      
8 A' 1088 1033 11.38      
9 A' 946 898 1.73      
10 A' 444 422 22.34      
11 A" 3186 3025 4.06      
12 A" 1513 1436 9.80      
13 A" 1152 1094 1.55      
14 A" 814 772 7.32      
15 A" 225 214 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 12558.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11922.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
1.95745 0.35709 0.31979

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 -0.815 -0.780 0.000
N3 1.216 0.520 0.000
H4 -0.550 1.419 0.000
H5 -0.170 -1.648 0.000
H6 -1.452 -0.796 0.878
H7 -1.452 -0.796 -0.878

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.49771.21671.09102.13182.12062.1206
C21.49772.41082.21471.08121.08461.0846
N31.21672.41081.98202.57303.10103.1010
H41.09102.21471.98203.09052.54712.5471
H52.13181.08122.57303.09051.77161.7716
H62.12061.08463.10102.54711.77161.7553
H72.12061.08463.10102.54711.77161.7553

picture of methylmethaniminyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.465 C1 C2 H6 109.373
C1 C2 H7 109.373 C2 C1 N3 124.961
C2 C1 H4 116.763 N3 C1 H4 118.275
H5 C2 H6 109.773 H5 C2 H7 109.773
H6 C2 H7 108.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability